CN109641527A - Two-way In-vehicle networking converter and its operation method - Google Patents
Two-way In-vehicle networking converter and its operation method Download PDFInfo
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- CN109641527A CN109641527A CN201780053311.6A CN201780053311A CN109641527A CN 109641527 A CN109641527 A CN 109641527A CN 201780053311 A CN201780053311 A CN 201780053311A CN 109641527 A CN109641527 A CN 109641527A
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- current path
- battery
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/20—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L9/00—Electric propulsion with power supply external to the vehicle
- B60L9/16—Electric propulsion with power supply external to the vehicle using ac induction motors
- B60L9/18—Electric propulsion with power supply external to the vehicle using ac induction motors fed from dc supply lines
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33561—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having more than one ouput with independent control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
- H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
- H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
- H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
- H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/33569—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements
- H02M3/33576—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only having several active switching elements having at least one active switching element at the secondary side of an isolation transformer
- H02M3/33584—Bidirectional converters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0067—Converter structures employing plural converter units, other than for parallel operation of the units on a single load
- H02M1/007—Plural converter units in cascade
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Dc-Dc Converters (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The present invention relates to a kind of two-way In-vehicle networking converters (10), it has the input side for feeding input voltage, lead to the first current path (14) of at least one electrical equipment (16) that can be connected and in parallel with the first current path (14), come from and lead to the output current transformer (80) in the second current path (18) and the second current path (18) of battery (20), wherein, exporting current transformer (80) can run in the charge operation of the In-vehicle networking converter (10) to charge to battery (20) as rectifier, and invertor operation can be used as in the back-to-back running at least to electrical equipment (16) supplying energy, wherein, first and second current paths (14, 18) from the primary side of converter (72), wherein, second electric current Output current transformer (80) in path (18) is connected to converter (72), and wherein, in back-to-back running, alternating voltage can be generated by output current transformer (80), the alternating voltage reaches the first current path (14) by converter (72), and reaches at least one electrical equipment (16) of connection there.
Description
Technical field
The present invention relates to a kind of settings for using in rail vehicle, i.e. in railway operation in the car, especially
Two-way In-vehicle networking converter, can be in different railway network input voltage (such as DC 750V-, DC 1500V-, DC
3000V-, AC 1000V-, AC 1500V- and AC 3000V-) under use.
Background technique
Two-way In-vehicle networking converter in rail vehicle can not only from so-called contact wire voltage and also can from by
Battery powered DC In-vehicle networking persistently supplies electric energy to corresponding electrical equipment (1AC electrical equipment and 3AV electrical equipment).
This two-way In-vehicle networking converter is known in intermediate frequency and low frequency embodiment.However, for from electricity
The energy stream direction in pond, two-way In-vehicle networking converter need additional current transformer and component.This causes apparent additional heavy
Amount, additional space requirement, therefore lead to additional cost.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that, a kind of determination is provided for using, especially using in the car
In the two-way In-vehicle networking converter used in railway operation, these disadvantages are avoided or at least reduced.
According to the present invention, above-mentioned technical problem especially determining in railway by the feature with claim 1
It two-way In-vehicle networking converter used in operation and is used for by the feature with parallel method independent claims
The method of this two-way In-vehicle networking converter is run to solve.
In two-way In-vehicle networking converter, external input can be fed to the two-way In-vehicle networking converter in input side
Voltage is contact wire voltage in railway operation, and the two-way In-vehicle networking converter includes leading to attachable at least one
First current path of a electrical equipment and it is in parallel with the first current path, come from and lead to it is attachable at least one electricity
Second current path in pond, it is provided here that:
Two-way In-vehicle networking converter from lead at least one attachable battery the second current path in wrap
Include output current transformer.
First method of operation of two-way In-vehicle networking converter is to charge by external input voltage at least one battery
Charge operation.Second method of operation of two-way In-vehicle networking converter is can to measure by least one battery and there
Back-to-back running of the cell voltage at least to an electrical equipment supplying energy.
In charging operation, output current transformer can be used as rectifier operation, and be used as rectifier in charging operation
Work.In the embodiment of output current transformer for including the freewheeling diode of semiconductor switch and reverse parallel connection, transported in charging
In row, the semiconductor switch for exporting current transformer can be turned off, and turn off in charging operation.Equally, in output current transformer
This embodiment in, in charging operation, can with the freewheeling diode of inverters to due to external input voltage and
The voltage being applied on inverter is rectified, and is rectified in charging operation to the voltage.In charging operation, it borrows
The raw DC voltage of midwifery fills the battery for the second current path for being connected to two-way In-vehicle networking converter or each battery
Electricity.
In back-to-back running, output current transformer can be used as invertor operation, and inverter is used as in back-to-back running
Work.In the embodiment of output current transformer for including the freewheeling diode of semiconductor switch and reverse parallel connection, by partly leading
The beat (Taktung) of body switch, can with previously given or can be previously given, especially constant switching frequency, from
Cell voltage generates alternating voltage, and alternating voltage is generated in back-to-back running.
First current path and the second current path converter included by the two-way In-vehicle networking converterPrimary side set out.From including defeated with the second current path for leading at least one attachable battery
Current transformer out.It can produce by output current transformer and by the alternating voltage that is generated in back-to-back running of output current transformer by change
Parallel operation reaches (the first electric current of alternating voltage feed-in that will be generated in the second current path by converter in the first current path
In path).The alternating voltage generated in back-to-back running reaches in the first current path, and reaches and connect there at least
One electrical equipment guarantees to supply electric energy to electrical equipment when external input voltage is interrupted in this way.
It is an advantage of the current invention that the quantity of functional unit needed for reducing two-way In-vehicle networking converter, thus with
Known two-way In-vehicle networking converter is compared, the two-way In-vehicle networking converter of generation with smaller weight, reduction position/
Space requirement, therefore more favorable price and protrude.
Advantageous design scheme of the invention is the theme of dependent claims.Adduction relationship as used herein points out independence
The further construction that claimed subject matter is realized by the feature of corresponding dependent claims.It is not construed as putting
Abandon the independent specific protection for realizing that the feature for cited dependent claims combines.In addition, in claim
Aspect is explained, when embodying the feature in following claim in more detail, it is intended to want in right correspondingly in front
This limitation is not present in asking.
In a special embodiment of two-way In-vehicle networking converter and its operation method, converter includes first
Transformer and the second transformer, wherein the first and second transformers are connected in parallel in primary side, and two transformers include altogether
Same primary circuit, wherein the first current path is connected to the first transformer, and the second current path is connected to the second transformation
Device.This embodiment of converter is used for particularly suitable for will be concurrently fed into based on the electric energy that external input voltage generates
First current path of the electrical equipment or each power supply for electrical equipment that connect there is neutralized for at least one electricity
In second current path of pond charging.But this embodiment of converter is also particularly suitable for inciting somebody to action during back-to-back running
Electric energy from the second current path is fed into the first current path from least one battery, then to the use still to be run
Electric equipment power supply.
In another special embodiment of two-way In-vehicle networking converter, two-way In-vehicle networking converter includes the
The battery charger being connect with output current transformer in two current paths, wherein battery charger includes that buck/boost turns
Parallel operation can be used as buck converter operation in charging operation, and can be used as boost converter in back-to-back running
Operation.In the method for running this two-way In-vehicle networking converter, the buck/boost converter of battery charger is charging
It runs in operation as buck converter, and is run in back-to-back running as boost converter.In this way, guarantee
It is generated to the feeding of at least one battery by buck/boost converter when it works as buck converter in charge operation
DC voltage appropriate, and equally feed in back-to-back running to output current transformer and exist at this time by buck/boost converter
Its DC voltage appropriate generated when working as boost converter.
Detailed description of the invention
In the following, by the attached drawing embodiment that the present invention will be described in detail.In all the appended drawings, to the object to correspond to each other or
Identical appended drawing reference is arranged in element.
This is not construed as limitation of the present invention.On the contrary, within the scope of this disclosure, can also be supplemented completely
And modification, especially those skilled in the art are for example by describing and weighing to the general or specific description section of combination
The each feature or method and step for including in benefit requirement and/or attached drawing are combined or deform in view of the above technical problems
Solution can be inferred that and the feature by that can combine generates new theme or new method and step or method and step
The supplement and modification of sequence.
Fig. 1 shows In-vehicle networking converter,
Fig. 2 shows the circuit for back-to-back running,
Fig. 3 shows the In-vehicle networking converter according to the scheme herein proposed,
Fig. 4 shows the current transformer of the In-vehicle networking converter according to Fig. 3, and
Fig. 5 shows the bidirectional battery charging circuit of the In-vehicle networking converter according to Fig. 3.
Specific embodiment
Diagram in Fig. 1 shows the principle of known two-way In-vehicle networking converter 10 in principle in block diagram form
Figure.Two-way In-vehicle networking converter 10 can be connected to by the current transformer 12 (AC/DC DC/DC converter) 12 of input side
Direct current or AC network, and current transformer 12 correspondingly has input terminal, and input terminal is used as AC input according to input voltage
Or DC input terminal.In the outlet side of current transformer 12, two-way In-vehicle networking converter 10 include lead to it is attachable at least one
First current path 14 of electrical equipment 16 and it is in parallel with the first current path 14, come from and lead to attachable at least one
Second current path 18 of a battery 20.
In outlet side, in the first and second current path 14,18, in the intermediate circuit of oneself accordingly, becoming
Intermediate circuit 22,24 is connected with behind stream device 12.
In the first current path 14, the two-way In-vehicle networking for being also referred to simply as In-vehicle networking converter 10 sometimes below turns
Parallel operation 10 includes (3AC the 1AC pulse of pulse width modulation converters 26 in a manner of being connect by the intermediate circuit 22 with there
Inverter 26), and again include sinusoidal filter 28 in a manner of connected to it.It, can be in the output end of sinusoidal filter 28
Measure single-phase AC voltage (1AC) and/or three-phase alternating voltage (3AC).Corresponding electrical equipment 16, i.e. 1AC electrical equipment or
Person's 3AC electrical equipment can connect to sinusoidal filter 28.
In the second current path 18, side of the In-vehicle networking converter 10 to be connect with the intermediate circuit 24 of there
Formula includes if inverter 34, and includes the medium-frequency changer 36 with series resonance capacitor in a manner of connected to it.
The intermediate frequency current transformer 38 of battery side, the intermediate circuit of battery side with intermediate circuit 40, the decompression of battery side are converted
Device (TSS) 42 and the boost converter (HSS) 44 of battery side are connected to medium-frequency changer 36 again.Work is connected with behind HSS 44
For the LC filter of output filter 46.The output end of output filter 46 is used as DC output end (for DC electrical equipment；Do not show
Out) and/or as cell input terminal.
In Pulse Inverter 26, inverter 34, current transformer 38 and the TSS 42 and HSS for being also referred to simply as PWR 26 sometimes
In 44 each bridge-type path, the so-called current valve (parallel connection of corresponding semiconductor switch 30 and freewheeling diode 32 of there
Circuit) only shown in the form of fork.The right side of diagram in Fig. 1 illustrates in greater detail single current valve.Current valve is with this
Mode known to body includes the freewheeling diode 32 of semiconductor switch 30 and reverse parallel connection.For the sake of clarity, it has carried out this
Replacement, and the diagram that this replacement is also applied in Fig. 2.
It is applied to the external input voltage of the input side of current transformer 12, is so-called contact wire voltage in railway operation,
By the electrical equipment 16 or the power supply of each electrical equipment 16 of 14 pairs of the first current path connections there, and at the same time passing through
Second current path 18 charges at least one battery 20.Because charging under this operating condition at least one battery 20,
So the corresponding method of operation of In-vehicle networking converter 10 is known as charge operation.The method of operation of In-vehicle networking converter 10
Determine the control to the semiconductor switch 30 in the second current path 18.
When external input voltage is interrupted, at least power to an electrical equipment 16 by least one battery 20.It is vehicle-mounted
Network commutator 10 enables at least supply an electrical equipment 16 then by semiconductor switch 30 is correspondingly controlled
The mode of electric energy is run.Electric energy is drawn from least one battery 20, and (on the contrary with the current direction in charge operation) is anti-
It is fed in the second current path 18, the electric energy of feed-in is reached by the first current path 14 and interrupted in external input voltage therefrom
When each electrical equipment 16 still to be powered.Due to feeding back electric energy into In-vehicle networking converter 10, by this fortune
Line mode is known as back-to-back running.This control of semiconductor switch 30 is opened also by the semiconductor in the second current path 18
The characteristic of pass 30 controls to determine.
Diagrammatically showing for circuit known to another of the back-to-back running from battery 20 in Fig. 2.3AC or
1AC Pulse Inverter (PWR) 52 is connected to battery 20 by intermediate circuit 50.It is set leading to one or more electricity consumption
In the current path of standby 16, i.e. 1AC electrical equipments 16 or 3AC electrical equipment 16, battery 20 outlet side with PWR 52
There are low frequency three-phase transformers 54 for the mode of connection, especially in one embodiment, as 50Hz/60Hz transformer 54,
And there are sinusoidal filters 56 in a manner of connected to it again.Electrical equipment 16 or each electrical equipment 16 are connected to sine
Filter 56.Battery-PWR- the transformer equipment realized using circuit according to fig. 2 is very heavy, big and expensive.It is not always
Space needed for being capable of providing this equipment.
An embodiment for diagrammatically showing two-way In-vehicle networking converter 10 in Fig. 3 and according to the side herein proposed
The two-way In-vehicle networking converter circuit of case.The two-way In-vehicle networking converter 10 is only also referred to as In-vehicle networking sometimes below
Converter 10.
This In-vehicle networking converter 10 for example uses in railway operation.There, In-vehicle networking converter 10 will connect
Touching line voltage is transformed to the 3xAC output voltage (such as 3AC 280V/60Hz, 400V/50Hz and 480V/60Hz) of potential isolation
With the DC output voltage (such as DC 24V, 36V and 110V) of potential isolation, and for 16 (example of 1AC and 3AC electrical equipment
Such as compressor, ventilation device) it powers, charge to Vehicular battery (Wagen-Batterie) 20 and the DC electricity consumption of connection is set
Available electricity.
When the supply voltage that input side applies interrupts, used in the railway operation, i.e., in railway network and
When contact wire voltage interrupts, In-vehicle networking converter 10 undertakes the power supply at least to an electrical equipment 16.For this purpose, external defeated
When entering voltage interruption, In-vehicle networking converter 10 is from least one (usually one group of battery 20 of battery 20；In railway operation,
From corresponding Vehicular battery 20) draw required electric energy.By the 3AC electricity that the voltage transformation of at least one battery 20 is potential isolation
Pressure, also to be can continue to during external supply voltage interrupts to required 3AC electrical equipment 16, such as compressor, ventilation
Device etc. powers (back-to-back running).
From the input side for feeding external input voltage, as the In-vehicle networking converter 10 according to Fig. 1, root
In-vehicle networking converter 10 according to Fig. 3 also includes the first current path 14 and the second current path 18.First current path 14 is logical
To the link position of at least one electrical equipment 16, and In-vehicle networking converter 10 run when lead to connection at least one
Electrical equipment 16.Second current path 18 extends in parallel with the first current path 14, and leads in In-vehicle networking converter
At least one battery 20 connected when 10 operation.In addition, observing block diagram shown in Fig. 3, In-vehicle networking converter 10 includes being located at
Input filter 60 before the branch of two current paths 14,18 includes having in a manner of connecting with input filter 60
The current transformer 62 (AC/DC DC/DC converter) of potential isolation, from current transformer 62s, two current paths 14,18 are
Include pulse width modulation converters (PWR) 26 in one current path 14, and is filled in the second current path 18 including bidirectional battery
Circuit 64.
Diagram in Fig. 4 illustrates in greater detail the unsteady flow of the In-vehicle networking converter 10 according to Fig. 3 in block diagram form
One embodiment of device 62.In shown embodiment, current transformer 62 includes boost converter (HSS) 66, has company
Connect intermediate circuit 70 in front if inverter 68 and converter 72, especially have series resonance capacitor
Medium-frequency changer (MF converter).Converter 72 includes the first transformer 74 and the second transformer 76.First and second become
Depressor 74,76 is connected in parallel in primary side, therefore has common primary circuit.First transformer 74 forms the first current path
14 beginning, the first current path 14 lead to the link position of attachable electrical equipment 16 there.Second transformer, 76 shape
At from the beginning with the second current path 18 for leading at least one battery 20.
Rectifier as output rectifier 78 is connected to the first transformer 74, and PWR 26 (Fig. 3) and an electricity consumption
Equipment 16 or multiple electrical equipments 16 are connected to rectifier again.Output current transformer 80 is connected to the second transformer 76, and double
To 64 (Fig. 3 of battery charger；Fig. 5) and at least one battery 20 is connected to output current transformer 80 again.
For being embodied as the current transformer 62 of AC/DC converter, in the input end setting B2 diode bridge electricity of HSS 66
Road.
Input voltage with big voltage range is increased in intermediate circuit (intermediate circuit capacitor by HSS 66 (Fig. 4)
Device 70) constant voltage.Inverter 68 (Fig. 4) includes semiconductor full-bridge.With previously given or can preset first given, especially
It is that constant switching frequency controls its semiconductor switch 30, especially IGBT, and in the input side of converter 72 therefore is becoming
The primary side for the transformer 74,76 that parallel operation 72 includes generates alternating voltage.
In the first current path 14, PWR 26 is further attached to the first transformer 74 by output rectifier 78.Cause
This, is also known as PWR converter 74 for the first transformer 74.In the second current path 18, bidirectional battery charging circuit 64 passes through
Output current transformer 80 is further attached to the second transformer 76.Therefore, in order to distinguish, the second transformer 76 is also known as electricity
Pond charging circuit converter or referred to as battery converter 76.PWR converter 74 and battery converter 76 are in primary side parallel connection
Ground is connected to the output end of inverter 68.In the primary circuit of converter 74,76 (PWR converter 74 and battery converter 76)
In, a capacitor is connected with corresponding primary windings connected in series respectively.In the secondary circuit of battery converter 76, a capacitor
The secondary windings of device and battery converter 76 is connected in series.
It is rectified by secondary voltage of the output rectifier 78 to PWR converter 74.The direct current of 26 pairs of PWR generations
Pressure carries out impulse modulation, and generates the 3AC output voltage of required sinusoidal, for the electrical equipment 16 to connection or often
A electrical equipment 16 is powered.
Semiconductor full-bridge is connected with as output current transformer 80 in the primary side of battery converter 76.In normal charging fortune
In row (powering by external power supply voltage, especially contact wire voltage), the semiconductor switch 30, especially of current transformer 80 is exported
The semiconductor switch 30 of IGBT form turns off.Then, by 28 pairs of electricity of freewheeling diode of the full-bridge circuit of output current transformer 80
The secondary voltage of pond converter 76 is rectified, and exports current transformer 80 as rectifier.
Diagram in Fig. 5 is illustrated in greater detail in block diagram form according to the two-way of the In-vehicle networking converter 10 of Fig. 3
One embodiment of battery charger 64.In this regard, bidirectional battery charging circuit 64 includes buck/boost converter (TSS/
HSS) 82 and output filter 84 (in one embodiment as the DC output filter of LC filter).TSS/HSS 82 exists
It works in normal charge operation (powering by external power supply voltage, especially contact wire voltage) as buck converter, and
And to export current transformer 80 since the DC voltage that semiconductor switch 30 turns off and exports is converted to suitable for at least one
The voltage level that a battery 20 charges.By in the output filter 84 of LC filter form be located at output end choke coil and
Capacitor smooths out the DC output voltage generated.
In the back-to-back running from battery 20, (external power supply voltage interruption at least sets an electricity consumption by cell voltage
Standby 16 power supply) in, the TSS/HSS 82 of bidirectional battery charging circuit 64 works as boost converter, and will be at least one
The DC voltage (DC cell voltage) that can be measured on battery 20 is increased to constant voltage.Export the semiconductor switch of current transformer 80
30 (Fig. 4) issue beat (takten) with previously given or can be previously given, especially constant switching frequency, and
The primary side of battery converter 76 generates alternating voltage.Therefore, in back-to-back running, output current transformer 80 is used as inverter.Institute
The alternating voltage of generation and its electric energy are connected in parallel by converter 74,76 (PWR converter 74 and battery converter 76)
Armature winding directly reaches the primary side of PWR converter 74.By output rectifier 78 to the secondary voltage of PWR converter 74 into
Row rectification, and the DC voltage of 26 pairs of PWR generations carries out impulse modulation, and generates the 3AC output voltage of sinusoidal, uses
At least run an electrical equipment 16 in the voltage during back-to-back running by least one battery 20.
In order to make export current transformer 80 its be used as in charging operation rectifier function and its make in back-to-back running
It switches between the function of inverter and the control to semiconductor switch 30, (does not show by the control unit being arranged thus
Lai Jinhang out), control unit generate and export the corresponding control signal for semiconductor switch 30.Control unit also generates
For the control signal of other functional units of In-vehicle networking converter 10, these functional units include controllable semiconductor switch
30, i.e. HSS 66, inverter 68 and TSS/HSS 82.The advantages of scheme introduced herein, lies also in, the function of this control unit
Change can be hardly needed compared with for the control unit of the In-vehicle networking converter 10 according to Fig. 1.
Although the present invention is illustrated and described in detail in detail by embodiment, the present invention is not limited to disclosed
One or more example, thus those skilled in the art can derive other deformation schemes, without departing from of the invention
Protection scope.
Therefore each importance of the description presented herein can be summarized as follows briefly: giving a kind of two-way vehicle-mounted
The method of network commutator 10 and this two-way In-vehicle networking converter 10 of operation, two-way In-vehicle networking converter 10, which has, to be used
In feeding external input voltage input side, lead to can be connected to few one electrical equipment 16 the first current path 14, with
First current path 14 it is in parallel, from the second current path 18 and second for leading at least one attachable battery 20
Output current transformer 80 in current path 18.Current transformer 80 is exported to charge at least one battery 20 by external input voltage
Two-way In-vehicle networking converter 10 charge operation in can be used as rectifier operation, and by least one battery 20
At least to can be used as inverter in the back-to-back running of the two-way In-vehicle networking converter 10 of 16 supplying energy of electrical equipment
Operation.First and second current paths 14,18 are from the primary side of converter 72, wherein defeated in the second current path 18
Current transformer 80 is connected to converter 72 out, and wherein, in back-to-back running, can produce alternating current by output current transformer 80
Pressure, and alternating voltage is generated in the operation of two-way In-vehicle networking converter 10, first can be fed by converter 72
In current path 14, and it is fed into the first current path 14 in the operation of two-way In-vehicle networking converter 10, and reach
At least one electrical equipment 16 of connection there.
Claims (7)
1. a kind of two-way In-vehicle networking converter (10) has the input side for feeding external input voltage,
Lead at least one electrical equipment (16) that can be connected the first current path (14) and with the first current path (14)
It is in parallel, from the second current path (18) for leading at least one battery (20) that can be connected, and
Output current transformer (80) in-the second current path (18),
Wherein, output current transformer (80) is turning the In-vehicle networking that at least one battery (20) charges by external input voltage
In the charge operation of parallel operation (10) can as rectifier run, and by least one battery (20) at least to a use
Invertor operation can be used as in the back-to-back running of the In-vehicle networking converter (10) of electric equipment (16) supplying energy,
It is characterized in that,
- the first and second current paths (14,18) from the primary side of converter (72),
Output current transformer (80) in-the second current path (18) is connected to converter (72), and
In back-to-back running, alternating voltage can be generated by output current transformer (80), the alternating voltage is by converter
(72) the first current path (14) are reached, and reaches at least one electrical equipment (16) of connection there.
2. two-way In-vehicle networking converter (10) according to claim 1,
Wherein, converter (72) includes the first transformer (74) and the second transformer (76),
Wherein, the first and second transformers (74,76) are connected in parallel in primary side, and two transformers (74,76) include altogether
Same primary circuit,
Wherein, the first current path (14) is connected to the first transformer (74), and
Wherein, the second current path (18) is connected to the second transformer (76).
3. two-way In-vehicle networking converter (10) according to claim 1 or 2 has in the second current path (18)
, with output current transformer (80) battery charger (64) that connect,
Wherein, battery charger (64) includes buck/boost converter (82), in charging operation can be as decompression conversion
Device runs and can run as boost converter in back-to-back running.
4. two-way In-vehicle networking converter (10) according to any one of the preceding claims,
Wherein, output current transformer (80) includes semiconductor switch (30) and two pole of afterflow with semiconductor switch (30) reverse parallel connection
It manages (32),
Wherein, in charging operation, semiconductor switch (30) included by output current transformer (80) can be turned off, and can be borrowed
Help freewheeling diode (32) included by output current transformer (80) to being applied to output current transformer due to external input voltage
(80) voltage on is rectified, and
It wherein, can be by the output unsteady flow with previously given or can be previously given switching frequency in back-to-back running
The beat of the semiconductor switch (30) of device (80), generating from the cell voltage that can measure at least one battery (20) can be by
Converter (72) is fed into the alternating voltage in the first current path (14).
5. a kind of method of operation two-way In-vehicle networking converter (10) according to any one of the preceding claims,
Wherein, in the charge operation of the In-vehicle networking converter (10) to charge at least one battery (20), current transformer is exported
(80) it is used as rectifier, and the voltage being applied in output current transformer (80) due to external input voltage is rectified,
And
Wherein, defeated in the back-to-back running of the In-vehicle networking converter (10) at least to electrical equipment (16) supplying energy
Current transformer (80) is used as inverter out, and generates alternating current from the cell voltage that can be measured at least one battery (20)
Pressure, the alternating voltage reach the first current path (14) by converter (72), and reach at least one of connection there
A electrical equipment (16).
6. the side of operation In-vehicle networking converter (10) according to claim 2 or 3 according to claim 5
Method,
Wherein, include the first transformer (74) by converter (72) and be connected in parallel in primary side and the first transformer (74)
Second transformer (76), in back-to-back running, the alternating voltage that is generated due to cell voltage reaches the by converter (72)
One current path (14), and at least one electrical equipment (16) of connection there is reached,
Wherein, it in the common primary circuit of two transformers of generated alternating voltage feed-in (74,76), and borrows therefrom
The second transformer (76) are helped to reach the first current path (14).
7. according to the side of the In-vehicle networking converter (10) according to claim 3 of operation described in claim 5 or 6
Method,
Wherein, the buck/boost converter (82) of battery charger (64) is run as buck converter in charging operation,
And it is run in back-to-back running as boost converter.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16186575.3 | 2016-08-31 | ||
| EP16186575.3A EP3290254A1 (en) | 2016-08-31 | 2016-08-31 | Bidirectional onboard electrical power converter and method of operating the same |
| PCT/EP2017/069127 WO2018041493A1 (en) | 2016-08-31 | 2017-07-28 | Bidirectional vehicle electrical system converter and method for operation thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109641527A true CN109641527A (en) | 2019-04-16 |
Family
ID=56893728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780053311.6A Pending CN109641527A (en) | 2016-08-31 | 2017-07-28 | Two-way In-vehicle networking converter and its operation method |
Country Status (5)
| Country | Link |
|---|---|
| EP (2) | EP3290254A1 (en) |
| CN (1) | CN109641527A (en) |
| ES (1) | ES2821404T3 (en) |
| PL (1) | PL3478527T3 (en) |
| WO (1) | WO2018041493A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114364567A (en) * | 2019-09-19 | 2022-04-15 | 纬湃科技有限责任公司 | Vehicle charging circuit and vehicle-mounted network with same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10483862B1 (en) | 2018-10-25 | 2019-11-19 | Vanner, Inc. | Bi-directional isolated DC-DC converter for the electrification of transportation |
| CN112677859A (en) * | 2021-01-27 | 2021-04-20 | 江苏阿诗特能源科技有限公司 | Mobile energy storage vehicle |
| CN115027297A (en) * | 2022-06-29 | 2022-09-09 | 华为数字能源技术有限公司 | Vehicle-mounted charger, vehicle-mounted power system and electric vehicle |
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Also Published As
| Publication number | Publication date |
|---|---|
| PL3478527T3 (en) | 2020-11-30 |
| ES2821404T3 (en) | 2021-04-26 |
| EP3478527B1 (en) | 2020-07-01 |
| EP3478527A1 (en) | 2019-05-08 |
| WO2018041493A1 (en) | 2018-03-08 |
| EP3290254A1 (en) | 2018-03-07 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Munich, Germany Applicant after: Siemens Transportation Co.,Ltd. Address before: Munich, Germany Applicant before: Siemens Mobile Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190416 |
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| WD01 | Invention patent application deemed withdrawn after publication |